Refrigeration & Air-Conditioning Practice Set-3

May 18, 2021

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1. The C.O.P. of a refrigerator working on a reversed Carnot cycle is (where T₁ = Lowest absolute temperature, and T₂ = Highest absolute temperature)

2. The refrigerant after condensation process is cooled below the saturation temperature before throttling. Such a process is called

3. The minimum temperature to which water can be cooled in a cooling tower is

4. Highest temperature encountered in refrigeration cycle should be

5. In a flooded evaporator refrigerator, an accumulator at suction of compressor is used to

6. The curved lines on a psychrometric chart indicates

7. Freon group of refrigerants are

8. Which of the following cycles uses air as the refrigerant?

9. When the temperature of the surrounding is higher than the temperature of the body, then the heat loss by convection from the body to the surrounding will be

10. A human body feels comfortable when the heat produced by the metabolism of human body is equal to the


 

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A Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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